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Sources of Intellectual Property Included in the YUI Library
YUI is issued by Yahoo! under the BSD license above. Below is a list of certain publicly available software that is the source of intellectual property in YUI, along with the licensing terms that pertain to thosesources of IP. This list is for informational purposes only and is not intended to represent an exhaustive list of third party contributions to the YUI.
* Douglas Crockford's JSON parsing and stringifying methods: In the JSON Utility, Douglas Crockford's JSON parsing and stringifying methods are adapted from work published at JSON.org. The adapted work is in the public domain.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Horizontal Slider with two thumbs</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/slider/assets/skins/sam/slider.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/animation/animation-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/slider/slider-min.js"></script>
<!--there is no custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Horizontal Slider with two thumbs</h1>
<div class="exampleIntro">
<p>This example demonstrates a simple horizontal dual-thumb Slider implementation. Some characteristics to note include the following:</p>
<ul>
<li>The thumbs are set on a slide bar with a 200 pixel range.</li>
<li>A minimum distance is provided, preventing the thumbs from coming within 10 pixels of each other.</li>
<li>Initial min and max values are supplied as 100 and 130 respectively.</li>
<li>Clicking on the background will animate the nearest thumb.</li>
<li>Min and Max value offsets are calculated from the <strong>center</strong> of the thumbs and must be accounted for conversion calculations.</li>
</ul>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="demo_bg" class="yui-h-slider" title="Range slider">
<div id="demo_min_thumb" class="yui-slider-thumb"><img src="yui_2.7.0b-assets/slider-assets/left-thumb.png"></div>
<div id="demo_max_thumb" class="yui-slider-thumb"><img src="yui_2.7.0b-assets/slider-assets/right-thumb.png"></div>
</div>
<p>Raw values:
<label>Min: <input type="text" id="demo_from" size="3" maxlength="3" value=""></label>
<label>Max: <input type="text" id="demo_to" size="3" maxlength="3" value=""></label>
<button id="demo_btn">Update Slider</button>
<h3>Converted values:</h3>
<p id="demo_info"></p>
<script type="text/javascript">
(function () {
YAHOO.namespace('example');
var Dom = YAHOO.util.Dom;
// Slider has a range of 200 pixels
var range = 200;
// No ticks for this example
var tickSize = 0;
// We'll set a minimum distance the thumbs can be from one another
var minThumbDistance = 10;
// Initial values for the thumbs
var initValues = [100,130];
// Conversion factor from 0-200 pixels to 100-1000
// Note 20 pixels are subtracted from the range to account for the
// thumb values calculated from their center point (10 pixels from
// the center of the left thumb + 10 pixels from the center of the
// right thumb)
var cf = 900/(range - 20);
// Set up a function to convert the min and max values into something useful
var convert = function (val) {
return Math.round(val * cf + 100);
};
// Slider set up is done when the DOM is ready
YAHOO.util.Event.onDOMReady(function () {
var demo_bg = Dom.get("demo_bg"),
info = Dom.get("demo_info"),
from = Dom.get("demo_from"),
to = Dom.get("demo_to");
// Create the DualSlider
var slider = YAHOO.widget.Slider.getHorizDualSlider(demo_bg,
"demo_min_thumb", "demo_max_thumb",
range, tickSize, initValues);
slider.minRange = minThumbDistance;
// Custom function to update the text fields, the converted value
// report and the slider's title attribute
var updateUI = function () {
from.value = slider.minVal;
to.value = slider.maxVal;
// Update the converted values and the slider's title.
// Account for the thumb width offsetting the value range by
// subtracting the thumb width from the max value.
var min = convert(slider.minVal),
max = convert(slider.maxVal - 20);
info.innerHTML = "MIN: <strong>" + min + "</strong><br>" +
"MAX: <strong>" + max + "</strong>";
demo_bg.title = "Current range " + min + " - " + max;
};
// Subscribe to the dual thumb slider's change and ready events to
// report the state.
slider.subscribe('ready', updateUI);
slider.subscribe('change', updateUI);
// Wire up the button to update the slider
YAHOO.util.Event.on('demo_btn','click',function () {
// Get the int values from the inputs
var min = Math.abs(parseInt(from.value,10)|0),
max = Math.abs(parseInt(to.value,10)|0);
if (min > max) {
var hold = min;
min = max;
max = hold;
}
// Verify the values are in range
min = Math.min(min,range - 30);
max = Math.max(Math.min(max,range),min + 20 + minThumbDistance);
// Set the new values on the slider
slider.setValues(min,max);
});
// Attach the slider to the YAHOO.example namespace for public probing
YAHOO.example.slider = slider;
});
})();
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
<!-- presentbright.corp.yahoo.com uncompressed/chunked Thu Feb 19 10:53:19 PST 2009 -->
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yui_2.7.0b.zip( 4,431 k)